package plus.chendd.redis.demo.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * 表示注解的配置文件
 *
 * @author lihh
 */
@Configuration
@EnableCaching
public class RedisConfig {
  
  @Bean
  public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
    RedisTemplate<String, Object> template = new RedisTemplate<>();
    // 配置连接工厂
    template.setConnectionFactory(factory);
    
    // 使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
    Jackson2JsonRedisSerializer jacksonSerial = new Jackson2JsonRedisSerializer(Object.class);
    
    ObjectMapper om = new ObjectMapper();
    // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
    om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
    // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
    om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
    jacksonSerial.setObjectMapper(om);
    
    // 值采用json序列化
    template.setValueSerializer(jacksonSerial);
    //使用StringRedisSerializer来序列化和反序列化redis的key值
    template.setKeySerializer(new StringRedisSerializer());
    
    // 设置hash key 和value序列化模式
    template.setHashKeySerializer(new StringRedisSerializer());
    template.setHashValueSerializer(jacksonSerial);
    template.afterPropertiesSet();
    
    return template;
  }
}
